xref: /freebsd/sys/dev/dwc/if_dwc_if.m (revision 8ddb146abcdf061be9f2c0db7e391697dafad85c) 
1#-
2# Copyright (c) 2015 Luiz Otavio O Souza <loos@FreeBSD.org>
3# Copyright (c) 2014 Ruslan Bukin <br@bsdpad.com>
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10#    notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12#    notice, this list of conditions and the following disclaimer in the
13#    documentation and/or other materials provided with the distribution.
14#
15# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25# SUCH DAMAGE.
26#
27# $FreeBSD$
28#
29
30INTERFACE if_dwc;
31
32#include <dev/dwc/if_dwc.h>
33
34CODE {
35	static int
36	if_dwc_default_init(device_t dev)
37	{
38		return (0);
39	}
40
41	static int
42	if_dwc_default_mac_type(device_t dev)
43	{
44		return (DWC_GMAC_EXT_DESC);
45	}
46
47	static int
48	if_dwc_default_mii_clk(device_t dev)
49	{
50		return (GMAC_MII_CLK_25_35M_DIV16);
51	}
52
53	static int
54	if_dwc_default_set_speed(device_t dev, int speed)
55	{
56		return (0);
57	}
58};
59
60HEADER {
61};
62
63#
64# Initialize the SoC specific registers.
65#
66METHOD int init {
67	device_t dev;
68} DEFAULT if_dwc_default_init;
69
70#
71# Return the DWC MAC type (descriptor type).
72#
73METHOD int mac_type {
74	device_t dev;
75} DEFAULT if_dwc_default_mac_type;
76
77#
78# Return the DWC MII clock for a specific hardware.
79#
80METHOD int mii_clk {
81	device_t dev;
82} DEFAULT if_dwc_default_mii_clk;
83
84#
85# Signal media change to a specific hardware
86#
87METHOD int set_speed {
88	device_t dev;
89	int speed;
90} DEFAULT if_dwc_default_set_speed;
91